Motor  Stepping Motor Hybrid Stepping Motor 1.8º Size 20mm High Torque Hybrid Stepping Motor 1.8º Size 28mm High Torque Hybrid Stepping Motor 1.8º Size 35mm Hybrid Stepping Motor 1.8º Size 39mm Hybrid Stepping Motor 0.9º Size 42mm High Torque Hybrid Stepping Motor 1.8º Size 42mm High Torque Hybrid Stepping Motor 3.6º Size 42mm Hybrid Stepping Motor 0.9º Size 57mm High Torque Hybrid Stepping Motor 1.8º Size 57mm Hybrid Stepping Motor 1.8º Size 57mm High Torque Hybrid Stepping Motor 1.8º Size 86mm Hybrid Stepping Motor 1.8º Size 85mm High Torque Hybrid Stepping Motor Size 57mm 3-Phase Hybrid Stepping Motor Size 85mm 3-Phase Hybrid Stepping Motor 1.8º Size 110mm High Torque Hybrid Stepping Motor Size 110mm High Torque Hybrid Stepping Motor Size 110mm 3-Phase Hybrid Stepping Motor 1.8º Size 130mm Hybrid Stepping Motor Size 130mm 3-Phase Hybrid Stepping Motor Size 130mm 5-Phase Hybrid Stepping Motor  Brushless DC Motor Geared BLDC Motor Servo BLDC Motor Geared Servo BLDC Motor Integrated Electronic BLDC Motor Integrated Electronic Geared Servo BLDC Motor Special BLDC Motor General BLDC Motor BL Motor Driver  Hot Sale Motors BL1656-32-105-P2 High Speed Brushless Motor Ball Bearing Lead Screw Precision Machining	1.8° Size 20mm High Torque Hybrid Stepping Motor General Specification for High Torque Hybrid Stepping Motor  Item  Specifications  Step Angle  1.8°  Step Angle Accuracy  ±5% (full step, no load)  Resistance Accuracy  ±10%  Inductance Accuracy  ±20%  Temperature Rise  80°C  Max.(rated current,2 phase on)  Ambient Temperature  -20°C~+50°C  Insulation Resistance  100M Ω Min. ,500VDC  Dielectric Strength  500VAC for one minute  Shaft Radial Play  0.02Max. (450 g-load)  Shaft Axial Play  0.08Max. (450 g-load)  Rotation  CW( See from Front Flange) Size 20mm High Torque Hybrid Stepping Motor Specifications Model No. Rated Voltage Current /Phase Resistance /Phase Inductance /Phase Holding Torque # of  Leads Rotor Inertia Weight Length Single Shaft V A Ω mH g-cm 　 kg-m2 kg mm SY20STH30-0604A 3.9 0.6 6.5 1.7 180 4 2.0x10-7 0.06 30 SY20STH33-0604A 3.9 0.6 6.5 1.7 180 4 2.0x10-7 0.06 33 SY20STH42-0804A 4.32 0.8 5.4 1.5 300 4 3.6x10-7 0.08 42 Dimension Wiring Diagram Pull out torque